worldweather28°Cnear normal
usually 26°C–29°C
night: exceptionally cool
rain: more rain than usual
wind: lighter than usual
Weather in Santa Ana - 14-day forecast
Detailed weather forecast for Santa Ana, El Salvador: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Santa Ana
today🌧️
28°💧 14.1 mm
Sun🌧️
29°💧 1.3 mm
Mon🌧️
28°💧 21.2 mm
Tue🌧️
28°💧 0.3 mm
Wed🌧️
30°💧 0.5 mm
Thu☁️
29°💧 0.5 mm
Fri☁️
30°💧 0.9 mm
Sat☀️
31°💧 5.1 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Friday 11 Sept in Santa Ana, the forecast high is 30°C. Typical daytime temperatures at this time of year range from 26°C to 29°C, so it will be exceptionally warm. It is warmer than 92% of similar days.
29°Cwarmer than usual
usually 26°C–29°C
warmer than 80% of similar days
night: exceptionally cool
rain: less rain than usual
wind: lighter than usual
28°Cnear normal
usually 26°C–29°C
night: exceptionally cool
rain: exceptionally wet
wind: typical
28°Cnear normal
usually 26°C–29°C
night: near normal
rain: exceptionally dry
wind: lighter than usual
30°Cexceptionally warm
usually 26°C–29°C
warmer than 91% of similar days
night: warmer than usual
rain: less rain than usual
wind: lighter than usual
29°Cwarmer than usual
usually 26°C–29°C
warmer than 86% of similar days
night: cooler than usual
rain: less rain than usual
wind: typical
30°Cexceptionally warm
usually 26°C–29°C
warmer than 92% of similar days
night: cooler than usual
rain: less rain than usual
wind: typical
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 1999 (25°C) and the warmest was 1994 (33°C). The current forecast averages 29°C - higher than in 78% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Santa Ana
Santa Ana 30 & 45-day weather - long-range outlook
Next 15 days · forecast
28°
around 19° at night · days with rain: 11
Weeks 3-4 · avg for September
30°
around 21° at night · rain chance 50%
Weeks 5-7 · avg for October
29°
around 20° at night · rain chance 45%
The 30 & 45-day outlook for Santa Ana: the next 15 days are a numerical forecast updated daily - on average 28° by day and 19° at night. Further out we rely on multi-year climate averages: around 30° in September, and about 29° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Santa Ana
Saturday5 September 2026
🌧️28°heavy rain
Sunday6 September 2026
🌧️29°light rain
Monday7 September 2026
🌧️28°heavy rain
Tuesday8 September 2026
🌧️28°light rain
Wednesday9 September 2026
🌧️30°light rain
Thursday10 September 2026
☁️29°overcast clouds
Friday11 September 2026
☁️30°overcast clouds
Saturday12 September 2026
☀️31°clear sky
Sunday13 September 2026
🌧️31°heavy rain
Monday14 September 2026
🌧️30°moderate rain
Tuesday15 September 2026
🌧️29°moderate rain
Wednesday16 September 2026
🌧️26°moderate rain
Thursday17 September 2026
🌧️25°moderate rain
Friday18 September 2026
🌧️25°moderate rain
Saturday19 September 2026
🌧️25°moderate rain
UV index in Santa Ana - is it safe to sunbathe?
Today the UV index in Santa Ana is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Air quality and smog in Santa Ana
Air quality in Santa Ana is currently very good. Fine particulate PM2.5: 11.9 µg/m³, PM10: 12.5 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Santa Ana | 11.9 | 12.5 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 19:00).
Santa Ana weather through the year
Warmest, driest months on average: January, February, March, July.
Upcoming public holidays in El Salvador: Independence Day — 15 September · All Souls' Day — 2 November · Christmas Day — 25 December.
Nearby and related places
FAQ - Santa Ana weather
What is the weather like in Santa Ana today?
Today it is about 28° during the day and 16° at night, heavy rain.
How far ahead can I check the forecast for Santa Ana?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.